146606342639 has 2 divisors, whose sum is σ = 146606342640. Its totient is φ = 146606342638.

The previous prime is 146606342633. The next prime is 146606342657. The reversal of 146606342639 is 936243606641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146606342639 - 2³² = 142311375343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146606342633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73303171319 + 73303171320.

It is an arithmetic number, because the mean of its divisors is an integer number (73303171320).

Almost surely, 2^146606342639 is an apocalyptic number.

146606342639 is a deficient number, since it is larger than the sum of its proper divisors (1).

146606342639 is an equidigital number, since it uses as much as digits as its factorization.

146606342639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 50.

The spelling of 146606342639 in words is "one hundred forty-six billion, six hundred six million, three hundred forty-two thousand, six hundred thirty-nine".